Oslo bombing

The scene after an explosion in Oslo, Norway, Friday July 22, 2011. A loud explosion shattered windows Friday at the government headquarters in Oslo which includes the prime minister's office, injuring several people. Prime Minister Jens Stoltenberg is safe, government spokeswoman Camilla Ryste told The Associated Press.

Holm Morten

A victim is treated outside government buildings in the centre of Oslo, Friday July 22, 2010, following an explosion that tore open several buildings including the prime minister's office, shattering wiondows and covering the street with documents.

Fartein Rudjord

Emergency workers, left, attend the scene as the building burns after a powerful explosion tore open several buildings in Oslo, Norway, Friday July 22, 2011. A loud explosion shattered windows Friday at the government headquarters in Oslo which includes the prime minister's office, injuring several people. Prime Minister Jens Stoltenberg is safe, government spokeswoman Camilla Ryste told The Associated Press.

Holm Morten

Emergency workers attend the scene after an explosion in Oslo, Norway, Friday July 22, 2011. A loud explosion shattered windows Friday at the government headquarters in Oslo which includes the prime minister's office, injuring several people. Prime Minister Jens Stoltenberg is safe, government spokeswoman Camilla Ryste told The Associated Press.

Holm Morten

Smoke rises from buildings in Oslo, Norway, at the scene of a large explosion which tore apart several buildings Friday July 22, 2011. A loud explosion shattered windows Friday in several buildings including the government headquarters in Oslo which includes the prime minister's office, injuring several people. Prime Minister Jens Stoltenberg is safe, government spokeswoman Camilla Ryste told The Associated Press. The cause of the blast is not yet known.

Holm Morten

People are treated at the scene after an explosion in Oslo, Norway, Friday July 22, 2011. A loud explosion shattered windows Friday at the government headquarters in Oslo which includes the prime minister's office, injuring several people. Prime Minister Jens Stoltenberg is safe, government spokeswoman Camilla Ryste told The Associated Press.

Holm Morten

Victims receive treatment outside government buildings in the centre of Oslo, Friday July 22, 2010, following an explosion that tore open several buildings including the prime minister's office, shattering windows and covering the street with documents.

Fartein Rudjord

A woman walks through debris in a street following an explosion in Oslo, Norway Friday July 22, 2011. A powerful blast tore open several Oslo buildings including the prime minister's office on Friday. One person was reportedly killed and several were injured, as the blast shattered windows and coated the street with documents. Prime Minister Jens Stoltenberg is safe, government spokeswoman Camilla Ryste told The Associated Press, although it was unclear whether that meant he was uninjured.

Thomas Winje Aijord

A victim is treated outside government buildings in the centre of Oslo, Friday July 22, 2010, following an explosion that tore open several buildings including the prime minister's office, shattering wiondows and covering the street with documents.

Fartein Rudjord

Shattered windows of a major building after an explosion in Oslo, Norway, Friday July 22, 2011. A loud explosion shattered windows Friday at the government headquarters in Oslo which includes the prime minister's office, injuring several people. Prime Minister Jens Stoltenberg is safe, government spokeswoman Camilla Ryste told The Associated Press.

Holm Morten

Debris covers the area outside a building in the centre of Oslo, Friday July 22, 2010, following an explosion that tore open several buildings including the prime minister's office, shattering windows and covering the street with documents.

Fartein Rudjord

Smoke rises from buildings in Oslo, Norway, at the scene of a large explosion which tore apart several buildings Friday July 22, 2011. A loud explosion shattered windows Friday in several buildings including the government headquarters in Oslo which includes the prime minister's office, injuring several people. Prime Minister Jens Stoltenberg is safe, government spokeswoman Camilla Ryste told The Associated Press. The cause of the blast is not yet known.

Holm Morten

Debris covers the area outside a building in the centre of Oslo, Friday July 22, 2010, following an explosion that tore open several buildings including the prime minister's office, shattering windows and covering the street with documents.

Fartein Rudjord

The wreckage of a car lies outside government buildings in the centre of Oslo, Friday July 22, 2010, following an explosion that tore open several buildings including the prime minister's office, shattering wiondows and covering the street with documents.

Fartein Rudjord

A detail of the devastation caused to a building in Oslo, Norway, after a powerful blast tore open several buildings, Friday July 22, 2011. A loud explosion shattered windows Friday in several building including the government headquarters in Oslo which includes the prime minister's office, injuring several people. Prime Minister Jens Stoltenberg is safe, government spokeswoman Camilla Ryste told The Associated Press.

Holm Morten

The scene after an explosion in Oslo, Norway, Friday July 22, 2011. A loud explosion shattered windows Friday at the government headquarters in Oslo which includes the prime minister's office, injuring several people. Prime Minister Jens Stoltenberg is safe, government spokeswoman Camilla Ryste told The Associated Press.

Holm Morten

A young victim is helped in the centre of Oslo, Friday July 22, 2010, following an explosion that tore open several buildings including the prime minister's office, shattering windows and covering the street with documents.

Winje ijord

People are treated at the scene after an explosion in Oslo, Norway, Friday July 22, 2011. A loud explosion shattered windows Friday at the government headquarters in Oslo which includes the prime minister's office, injuring several people. Prime Minister Jens Stoltenberg is safe, government spokeswoman Camilla Ryste told The Associated Press.